80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
|
|
* Copyright (C) 2010 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <math.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <utils/Errors.h>
|
|
|
|
#include <hardware/sensors.h>
|
|
|
|
#include "LinearAccelerationSensor.h"
|
|
#include "SensorDevice.h"
|
|
#include "SensorFusion.h"
|
|
|
|
namespace android {
|
|
// ---------------------------------------------------------------------------
|
|
|
|
LinearAccelerationSensor::LinearAccelerationSensor(sensor_t const* list, size_t count)
|
|
: mSensorDevice(SensorDevice::getInstance()),
|
|
mGravitySensor(list, count)
|
|
{
|
|
}
|
|
|
|
bool LinearAccelerationSensor::process(sensors_event_t* outEvent,
|
|
const sensors_event_t& event)
|
|
{
|
|
bool result = mGravitySensor.process(outEvent, event);
|
|
if (result && event.type == SENSOR_TYPE_ACCELEROMETER) {
|
|
outEvent->data[0] = event.acceleration.x - outEvent->data[0];
|
|
outEvent->data[1] = event.acceleration.y - outEvent->data[1];
|
|
outEvent->data[2] = event.acceleration.z - outEvent->data[2];
|
|
outEvent->sensor = '_lin';
|
|
outEvent->type = SENSOR_TYPE_LINEAR_ACCELERATION;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
status_t LinearAccelerationSensor::activate(void* ident, bool enabled) {
|
|
return mGravitySensor.activate(ident, enabled);
|
|
}
|
|
|
|
status_t LinearAccelerationSensor::setDelay(void* ident, int handle, int64_t ns) {
|
|
return mGravitySensor.setDelay(ident, handle, ns);
|
|
}
|
|
|
|
Sensor LinearAccelerationSensor::getSensor() const {
|
|
Sensor gsensor(mGravitySensor.getSensor());
|
|
sensor_t hwSensor;
|
|
hwSensor.name = "Linear Acceleration Sensor";
|
|
hwSensor.vendor = "AOSP";
|
|
hwSensor.version = gsensor.getVersion();
|
|
hwSensor.handle = '_lin';
|
|
hwSensor.type = SENSOR_TYPE_LINEAR_ACCELERATION;
|
|
hwSensor.maxRange = gsensor.getMaxValue();
|
|
hwSensor.resolution = gsensor.getResolution();
|
|
hwSensor.power = gsensor.getPowerUsage();
|
|
hwSensor.minDelay = gsensor.getMinDelay();
|
|
Sensor sensor(&hwSensor);
|
|
return sensor;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
}; // namespace android
|
|
|